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Acids and BasesMCQ

What is the pH of a 0.20 M solution of sodium benzoate, Na(C6H5COO)? The Ka of benzoic acid, C6H5COOAcids and Bases Chemistry Question

Question

What is the pH of a 0.20 M solution of sodium benzoate, Na(C6H5COO)? The Ka of benzoic acid, C6H5COOH, is 6.5 × 10–5.

A.

5.26

B.

8.74

✓ Correct
C.

9.09

D.

11.56

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